Sumter County, South Carolina Population 2020

Sumter County, South Carolina's estimated population is 106,508 with a growth rate of -0.00% in the past year according to the most recent United States census data. Sumter County, South Carolina is the 15th largest county in South Carolina.

Year Population Growth Growth Rate
2020106,508-2-0.00%
2019106,510-2-0.00%
2018106,512-2-0.00%
2017106,514-611-0.57%
2016107,125-48-0.04%
2015107,173-480-0.45%
2014107,653-79-0.07%
2013107,732-42-0.04%
2012107,7744760.44%
2011107,298-314-0.29%
2010107,6124,9754.85%
1990102,63714,39416.31%
198088,2438,81811.10%
197079,4254,4845.98%
196074,94117,30730.03%
195057,6345,1719.86%
194052,4636,56114.29%
193045,9022,8626.65%
192043,0404,56811.87%
191038,472-12,765-24.91%
190051,2377,63217.50%
189043,6056,56817.73%
188037,03711,76946.58%
187025,2681,4095.91%
186023,859-9,361-28.18%
185033,2205,32819.10%
184027,892-385-1.36%
183028,2772,90811.46%
182025,3696,31533.14%
181019,0545,95145.42%
180013,1038,555188.10%
17904,5480.00%
2020 Growth Rate
-0.00%
County Website
Founded
1800
County Seat
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Sumter County, South Carolina Population Growth

Population by Race

Race Population Percentage
White51,30947.95%
Black or African American50,30947.02%
Two or More Races2,8582.67%
Asian1,3281.24%
Some Other Race8270.77%
American Indian and Alaska Native3210.30%
Native Hawaiian and Other Pacific Islander430.04%
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Sumter County, South Carolina Population Pyramid 2020

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Sumter County, South Carolina Median Age

36.3


Total

33.7


Male

39.1


Female

Sumter County, South Carolina Adults

There are 80,987 adults, (16,592 of whom are seniors) in Sumter County, South Carolina.

Sumter County, South Carolina Age Dependency

66.2

Age Dependency Ratio

25.8

Old Age Dependency Ratio

40.4

Child Dependency Ratio

Sumter County, South Carolina Sex Ratio

Female

55,521

51.89%

Male

51,474

48.11%

Sumter County, South Carolina Households and Families

Sumter County, South Carolina Renter vs Owner Occupied by Household Type

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Sumter County, South Carolina Household Types

Type Owner Renter
Married80.3%19.7%
All64.7%35.3%
Male62.6%37.4%
Non Family55.4%44.6%
Female47%53%

64.7%

Rate of Home Ownership

Type Count Average Size Owned
All41,1372.5464.7
Married17,3963.1280.3
Non Family13,2221.1455.4
Female8,1283.4147
Male2,3913.0762.6

3.11

Average Family Size

2.54

Average Household Size

5.7%

Unmarried (Opposite Sex)

0.2%

Unmarried (Same Sex)

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Sumter County, South Carolina Education

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Education Attained Count Percentage
Less Than 9th Grade3,6075.17%
9th to 12th Grade7,82011.20%
High School Graduate21,62130.96%
Some College16,95624.28%
Associates Degree6,9419.94%
Bachelors Degree8,03411.50%
Graduate Degree4,8546.95%
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Sumter County, South Carolina Educational Attainment by Race

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Name Total High School Bachelors
White33,92430,2708,101
Black31,93025,2494,085
Hispanic1,8771,119209
Asian1,021765392
Multiple Races99985948
Other Race50022152
Native American22821251
Islander434343

The highest rate of high school graduation is among islander people with a rate of 100.00%.

The highest rate of bachelors degrees is among islander people with a rate of 100.00%.

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Name Average Male Female
Overall$30,817$37,495$25,248
Less Than High School$20,338$23,557$16,547
High School Grad$24,603$31,751$20,309
Some College$31,195$40,247$25,222
Bachelors Degree$41,607$50,409$35,857
Graduate Degree$57,947$76,042$54,240

$30,817

Average Earnings

$37,495

Average Male

$25,248

Average Female

Sumter County, South Carolina Language

Sumter County, South Carolina Language by Age

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Sumter County, South Carolina Language

93.73% of Sumter County, South Carolina residents speak only English, while 6.27% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.92% of the population.

Sumter County, South Carolina Poverty

Sumter County, South Carolina Poverty by Race

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Name Total In Poverty Poverty Rate
Black48,88214,58829.84%
White47,6514,96210.41%
Multiple2,79283930.05%
Hispanic4,01275418.79%
Asian1,29319214.85%
Native3215316.51%
Other735466.26%
Islander43716.28%

20.28%

Overall Poverty Rate

18.27%

Male Poverty Rate

22.12%

Female Poverty Rate

Poverty in Sumter County, South Carolina

The race most likely to be in poverty in Sumter County, South Carolina is Multiple, with 30.05% below the poverty level.

The race least likely to be in poverty in Sumter County, South Carolina is Other, with 6.26% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 5.50%. Among those working part-time, it was 24.15%, and for those that did not work, the poverty rate was 26.92%.

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Name Poverty
Less Than High School31.43%
High School19.70%
Some College13.99%
Bachelors or Greater5.96%
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Name Poverty
Female Unemployed50.28%
Male Unemployed36.31%
Female Employed13.48%
Male Employed5.82%

Sumter County, South Carolina Income

Sumter County, South Carolina Income by Household Type

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Name Median Mean
Households$43,792$56,757
Families$51,369$65,452
Married Families$68,702$82,411
Non Families$24,978$35,256
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Sumter County, South Carolina Marital Status

Sumter County, South Carolina Marital Status

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Marriage Rates

44.5%

Overall Marriage Rate

46.2%

Male Marriage Rate

43.0%

Female Marriage Rate

Sumter County, South Carolina Married by Age and Sex

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Sumter County, South Carolina Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.

Sumter County, South Carolina Marital Status by Race

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Sumter County, South Carolina Veterans

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11,004

Number of Veterans

9,441

Male Veterans

1,563

Female Veterans

War Veterans
Second Gulf War4,110
First Gulf War3,589
Vietnam3,257
Korea596
World War II225
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Age Group Veterans
35 to 543,349
55 to 642,153
65 to 741,902
18 to 341,901
75+1,699
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Name Veterans % of Total
White6,25216.44%
Black4,41311.94%
2 or More21415.71%
Hispanic2128.88%
Asian585.33%
Hawaiian3683.72%
Indian197.48%
Other122.00%

Sumter County, South Carolina Veterans by Education

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8.83%

Veteran Poverty Rate

29.40%

Veteran Disability Rate

Sumter County, South Carolina Employment Status

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59.8%

Labor Force Participation

50.7%

Employment Rate

10.6%

Unemployment Rate

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Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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66.12%

Born in South Carolina

96.68%

Native Born

3.32%

Foreign Born

1.95%

Non Citizen

1.37%

Naturalized

Place of Birth

96.68% of Sumter County, South Carolina residents were born in the United States, with 66.12% having been born in South Carolina. 1.95% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990